Chemistry · 2020
JEE Main · 9 January 2020, Shift 2 · Q32
The first and second ionisation enthalpies of a metal are 496 and 4560 kJ mol^-1, respectively. How many moles of HCl and H_2 SO_4, respectively,…
The first and second ionisation enthalpies of a metal are $\displaystyle 496$ and $\displaystyle 4560 \mathrm{~kJ} \mathrm{~mol}^{-1}$, respectively. How many moles of HCl and $\displaystyle \mathrm{H}_2 \mathrm{SO}_4$, respectively, will be needed to react completely with $\displaystyle 1$ mole of the metal hydroxide?
Official answer
(4)
$\displaystyle 1$ and $\displaystyle 0.5$
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